Strange Error on starting

Hello ,
this morning I’ve a check to PHP error log and I found these errors. I’m not a tech guy and I’m a bit worried .
Is there anybody that understand what the issue is ?

[21-Aug-2018 13:07:55 UTC] PHP Notice: Undefined index: url_js_thirddevel in C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel pl\scriptcase\body_admin_sys_allconections_create_wizard_dados_rep.tpl.php on line 327
[21-Aug-2018 13:07:55 UTC] PHP Stack trace:
[21-Aug-2018 13:07:55 UTC] PHP 1. {main}() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\iface\admin_sys_allconections_create_wizard.php:0
[21-Aug-2018 13:07:55 UTC] PHP 2. nmPageAdminSysAllConectionsCreateWizard->Display() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\iface\admin_sys_allconections_create_wizard.php:7
[21-Aug-2018 13:07:55 UTC] PHP 3. nmPageAdminSysAllConectionsCreateWizard->DisplayContent() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\class\page
mPage.class.php:987
[21-Aug-2018 13:07:55 UTC] PHP 4. nmTemplate->Display() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\class\page
mPageAdminSysAllConectionsCreateWizard.class.php:335
[21-Aug-2018 13:07:55 UTC] PHP 5. include() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\class emplate
mTemplate.class.php:219
[21-Aug-2018 13:09:07 UTC] PHP Notice: Undefined index: url_js_thirddevel in C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel pl\scriptcase\body_admin_sys_allconections_create_wizard_dados_rep.tpl.php on line 327
[21-Aug-2018 13:09:07 UTC] PHP Stack trace:
[21-Aug-2018 13:09:07 UTC] PHP 1. {main}() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\iface\admin_sys_allconections_create_wizard.php:0
[21-Aug-2018 13:09:07 UTC] PHP 2. nmPageAdminSysAllConectionsCreateWizard->Display() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\iface\admin_sys_allconections_create_wizard.php:7
[21-Aug-2018 13:09:07 UTC] PHP 3. nmPageAdminSysAllConectionsCreateWizard->DisplayContent() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\class\page
mPage.class.php:987
[21-Aug-2018 13:09:07 UTC] PHP 4. nmTemplate->Display() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\class\page
mPageAdminSysAllConectionsCreateWizard.class.php:335
[21-Aug-2018 13:09:07 UTC] PHP 5. include() C:\wamp64\www\Eos_Tat_Meter_lib\prod\lib\php\devel\class emplate
mTemplate.class.php:219